Idon't get this match the term with its description. match terms with definitions term acid base ph litmus pape definition a) a value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water b) used to measure the ph of substances by determining their hydrogen ion concentration c) a compound that increases hydroxide ions (oh−) when it is dissolved in a solution d) a compound that increases hydrogen ions (h+) when it is dissolved in a solution